PHP snippets

Friendly file size string

 public static function bytesToSize($bytes)
 {
         if ($bytes < 1024) {
             return '< 1k';
         } else if ($bytes < 1048576) { // 1024 * 1024
             return round($bytes/1024, 2) .'K';
         } else if ($bytes < 1073741824) { // 1024 * 1024 * 1024
             return round($bytes/1048576, 2) .'M';
         } else {
             return round($bytes/1073741824, 2) .'G';
         }
12 }

Duration of the song

 public static function secToStr($sec)
 {
         $hours = floor($sec / 3600);
         $minutes = floor(($sec / 60) % 60);
         $seconds = $sec % 60;

         if ($hours > 0) {
             return sprintf("%02d:%02d:%02d", $hours, $minutes, $seconds);
         } else {
             return sprintf("%d:%02d", $minutes, $seconds);
         }
 }